Image reading system, image reading device, control device, and method for controlling image reading system

Abstract

To provide an image reading system, an image reading device, a control device, and a method for controlling the image reading system that allow a user to obtain a desired reading result.SOLUTION: An image reading system comprises: a conveying unit that conveys documents one by one from a document bundle; a reading unit that reads the documents; a detection unit that detects the documents; a display unit that displays a setting screen on which a target condition is set which is a condition for a document to be read; and a control unit. When the detection unit detects a document not matching the target condition, the control unit causes the display unit to display a situation where the document not matching the target condition is detected.SELECTED DRAWING: Figure 5

Description

[Technical Field]

[0001] The present invention relates to an image reading system, an image reading device, a control device, and a control method for an image reading system. [Background technology]

[0002] Patent Document 1 describes an image reading device that conveys a document from a set document stack. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] International Publication No. 2023 / 067709 Summary of the Invention [Problem to be solved by the invention]

[0004] In image reading devices, documents that the user does not intend to read may be mixed in with the stack of documents. For example, documents of different sizes may be mixed in with the stack of documents to be read. In this case, the user may not obtain the desired reading results. [Means for solving the problem]

[0005] An image reading system that solves the above problem comprises a transport unit that transports documents one by one from a stack of documents, a reading unit that reads the documents, a detection unit that detects the documents, a display unit that displays a setting screen on which target conditions, which are the conditions for the documents to be read, are set, and a control unit, and when the detection unit detects a document that does not meet the target conditions, the control unit causes the display unit to display that a document that does not meet the target conditions has been detected.

[0006] An image reading device that solves the above problem comprises a transport unit that transports documents one by one from a stack of documents, a reading unit that reads the documents, a detection unit that detects the documents, a display unit that displays a setting screen on which target conditions, which are the conditions for the documents to be read, are set, and a control unit, and when the detection unit detects a document that does not meet the target conditions, the control unit causes the display unit to display that a document that does not meet the target conditions has been detected.

[0007] A control device that solves the above problem is a control device connected to an image reading device that has a transport unit that transports documents one by one from a stack of documents, a reading unit that reads the documents, and a detection unit that detects the documents, and is equipped with a display unit that displays a setting screen on which target conditions, which are the conditions for documents to be read by the image reading device, are set, and a control unit that communicates with the image reading device, and when the detection unit detects a document that does not meet the target conditions, the control unit causes the display unit to display that a document that does not meet the target conditions has been detected.

[0008] A control method for an image reading system that solves the above problem is a control method for an image reading system that includes a transport unit that transports documents one by one from a stack of documents, a reading unit that reads the documents, a detection unit that detects the documents, and a display unit that displays a setting screen on which target conditions, which are the conditions for the documents to be read, are set, and includes the detection unit detecting the documents, and when a document that does not meet the target conditions is detected, the display unit displaying that a document that does not meet the target conditions has been detected. [Brief explanation of the drawings]

[0009] [Figure 1] FIG. 1 is a schematic diagram showing an example of an image reading system. [Figure 2] FIG. 2 is a schematic diagram showing the home screen. [Figure 3] FIG. 3 is a schematic diagram showing the selection screen. [Figure 4] FIG. 4 is a schematic diagram showing a count setting screen. [Figure 5] FIG. 5 is a schematic diagram showing the current status screen. [Figure 6] FIG. 6 is a schematic diagram showing the count change screen. [Figure 7] FIG. 7 is a graph showing an example of the change in speed of the pick roller. [Figure 8] FIG. 8 is a graph showing an example of the speed change of the pick roller that is different from that shown in FIG. [Figure 9] FIG. 9 is a graph showing an example of the change in speed of the pick roller that is different from those shown in FIGS. [Figure 10] FIG. 10 is a schematic diagram showing the count continuation screen. [Figure 11] FIG. 11 is a schematic diagram showing the count end screen. [Figure 12] FIG. 12 is a schematic diagram showing the count maintenance screen. [Figure 13] FIG. 13 is a schematic diagram showing the confirmation setting screen. [Figure 14] FIG. 14 is a schematic diagram showing the confirmation and change screen. [Figure 15] FIG. 15 is a schematic diagram showing the confirmation continuation screen. [Figure 16] FIG. 16 is a schematic diagram showing a notification screen. [Figure 17] FIG. 17 is a schematic diagram showing the confirmation completion screen. [Figure 18] FIG. 18 is a schematic diagram showing the confirmation maintenance screen. [Figure 19] FIG. 19 is a flowchart showing the operation in the count mode. [Figure 20] FIG. 20 is a flowchart showing the operation in the confirmation mode. DETAILED DESCRIPTION OF THE INVENTION

[0010] An embodiment of the image reading system will be described below with reference to the drawings. As shown in FIG. 1 , the image reading system 11 includes a control device 12 and an image reading device 13. The control device 12 is configured to control the image reading device 13. The control device 12 communicates with the image reading device 13. The control device 12 is connected to the image reading device 13 wirelessly or via a wire. The control device 12 is, for example, a personal computer, a smartphone, a tablet, or the like. In the image reading system 11, the control device 12 may store a driver that controls the image reading device 13. In the image reading system 11, the image reading device 13 may operate independently.

[0011] <Control device> The control device 12 includes an operation unit. More specifically, the control device 12 includes a terminal operation unit 14. The terminal operation unit 14 is operated by a user. The user operates the control device 12 through the terminal operation unit 14. The terminal operation unit 14 is, for example, a touch panel. The terminal operation unit 14 is not limited to a touch panel, and may also be a button, a lever, or the like.

[0012] The control device 12 includes a display unit. More specifically, the control device 12 includes a terminal display unit 15. The terminal display unit 15 displays a screen. More specifically, the terminal display unit 15 displays a screen for operating the image reading device 13. The user gives instructions to the image reading device 13 via the screen displayed on the terminal display unit 15.

[0013] The control device 12 includes a control unit. More specifically, the control device 12 includes a terminal control unit 16. The terminal control unit 16 controls the terminal display unit 15. The terminal control unit 16 controls the terminal display unit 15 to display a screen. The terminal control unit 16 is configured to communicate with the image reading device 13. The terminal control unit 16 transmits instructions input via the screen displayed on the terminal display unit 15 to the image reading device 13.

[0014] The terminal control unit 16 may be configured with one or more processors that execute various processes according to a computer program. The terminal control unit 16 may be configured with one or more dedicated hardware circuits, such as an ASIC, that execute at least some of the various processes. The terminal control unit 16 may be configured with a circuit that includes a combination of a processor and a hardware circuit. The processor includes a CPU and memory, such as RAM and ROM. The memory stores program code or instructions configured to cause the CPU to execute processes. The memory, i.e., computer-readable medium, includes any readable medium that can be accessed by a general-purpose or dedicated computer.

[0015] <Image reader> The image reading device 13 is configured to read the original M1. The image reading device 13 is, for example, a scanner that reads images such as characters and photographs printed on the original M1 such as paper or film.

[0016] The image reading device 13 includes a housing 21 . The image reading device 13 includes a supply tray 22. A stack of documents MA, which is a stack of multiple documents M1, is set on the supply tray 22. The supply tray 22 extends from the housing 21. The supply tray 22 guides the documents M1 into the housing 21.

[0017] The image reading device 13 includes a transport unit 23. The transport unit 23 is configured to transport the original M1. The transport unit 23 transports the original M1 one sheet at a time from the stack of originals MA. The transport unit 23 transports the original M1 on the supply tray 22 into the housing 21. The transport unit 23 ejects the original M1 from inside the housing 21 to outside the housing 21.

[0018] The transport unit 23 has a plurality of rollers. The transport unit 23 has a pick roller 24. The pick roller 24 is a roller that transports the original M1 one sheet at a time from the document stack MA. In one example, the pick roller 24 comes into contact with the original M1 located at the bottom of the document stack MA. The transport unit 23 has one or more pairs of transport rollers 25. The pairs of transport rollers 25 rotate while sandwiching the original M1. The transport unit 23 may have a retard roller that prevents multiple feeding. Multifeeding refers to multiple sheets of original M1 being transported overlapping each other. The retard roller rotates, for example, to return the original M1 from the housing 21 to the supply tray 22.

[0019] The image reading device 13 includes a reading unit 26. The reading unit 26 is configured to read the original M1. The reading unit 26 reads the original M1 as it is conveyed. The reading unit 26 is composed of a plurality of optical sensors arranged in the main scanning direction. The reading unit 26 is, for example, a contact image sensor module. The reading unit 26 may be configured to read one side of the original M1 or to read both sides of the original M1.

[0020] The image reading device 13 includes a detection unit 27. The detection unit 27 is configured to detect the original M1. The detection unit 27 is configured to detect at least one of the size and type of the original M1. The detection unit 27 may be configured to detect the size of the original M1, or the type of the original M1, or may be configured to detect both. In one example, the detection unit 27 detects both the size and the type of the original M1.

[0021] The detection unit 27 has a size detection unit 28. The size detection unit 28 is configured to detect the size of the original M1. The size detection unit 28 detects the size of the original M1 in the main scanning direction and the size of the original M1 in the sub-scanning direction.

[0022] The size detection unit 28 has a main scanning detection unit 29. The main scanning detection unit 29 is configured to detect the size of the original M1 in the main scanning direction. In one example, the main scanning detection unit 29 is made up of a plurality of optical sensors lined up in the main scanning direction. The size detection unit 28 detects the size of the original M1 in the main scanning direction by having the main scanning detection unit 29 detect both side edges of the original M1. The main scanning detection unit 29 may be configured by the reading unit 26.

[0023] The size detection unit 28 has a sub-scanning detection unit 30. The sub-scanning detection unit 30 is configured to detect the size of the original M1 in the sub-scanning direction. In one example, the sub-scanning detection unit 30 is composed of a single optical sensor. The sub-scanning detection unit 30 detects the leading edge and trailing edge of the original M1. The size detection unit 28 detects the size of the original M1 in the sub-scanning direction based on the transport distance of the transport unit 23 from when the sub-scanning detection unit 30 detects the leading edge of the original M1 until it detects the trailing edge of the original M1.

[0024] The detection unit 27 includes a type detection unit 31. The type detection unit 31 is configured to detect the type of the original M1. The type detection unit 31 is composed of an optical sensor. The type detection unit 31 irradiates light onto the original M1 and receives the reflected light. The type detection unit 31 detects the type of the original M1 based on the waveform of the reflected light. For example, if the original M1 is high-quality paper, the waveform of the reflected light will be more uniform than if the original M1 is plain paper. If the original M1 is recycled paper, the waveform of the reflected light will be more variable than if the original M1 is plain paper. The type detection unit 31 may also include an ultrasonic sensor. In this case, the type detection unit 31 irradiates the original M1 with ultrasonic waves. The type detection unit 31 detects the type of the original M1 based on the attenuation rate of the ultrasonic waves. For example, if the original M1 is thick paper, the attenuation rate of the ultrasonic waves will be greater than if the original M1 is plain paper. In this way, the type detection unit 31 can detect the type of the original M1, such as high-quality paper, plain paper, recycled paper, or thick paper.

[0025] The image reading device 13 includes a multi-feed detection unit 32. The multi-feed detection unit 32 is configured to detect multi-feeding of the original documents M1. The multi-feed detection unit 32 detects whether multiple original documents M1 are being transported from the supply tray 22 while overlapping each other.

[0026] The multi-feed detection unit 32 has an ultrasonic sensor. The multi-feed detection unit 32 irradiates ultrasonic waves onto the document M1. The multi-feed detection unit 32 detects the multi-feed based on the attenuation rate of the ultrasonic waves. For example, when a multi-feed occurs, the attenuation rate of the ultrasonic waves is greater than when a multi-feed does not occur. This allows the multi-feed detection unit 32 to detect the multi-feed. The multi-feed detection unit 32 may also constitute the type detection unit 31. The multi-feed detection unit 32 can detect a thick document M1 using an ultrasonic sensor. For example, when a multi-feed occurs, the attenuation rate of the ultrasonic waves is greater than when the document M1 is thick paper.

[0027] The image reading device 13 may include a tray detection unit 33. The tray detection unit 33 is configured to detect the document M1 set on the supply tray 22. The tray detection unit 33 detects whether or not the document M1 is set on the supply tray 22. In one example, the tray detection unit 33 is positioned to face the pick roller 24. The tray detection unit 33 is configured, for example, by an optical sensor.

[0028] The image reading device 13 includes an operation unit. More specifically, the image reading device 13 includes a reading operation unit 34. The reading operation unit 34 is operated by a user. The user operates the image reading device 13 through the reading operation unit 34. The reading operation unit 34 is, for example, a touch panel. The reading operation unit 34 is not limited to a touch panel, and may also be a button, a lever, or the like.

[0029] The image reading device 13 includes a display unit. More specifically, the image reading device 13 includes a reading display unit 35. The reading display unit 35 displays a screen. More specifically, the reading display unit 35 displays a screen for operating the image reading device 13. The user gives instructions to the image reading device 13 via the screen displayed on the reading display unit 35.

[0030] The image reading device 13 includes a control unit. More specifically, the image reading device 13 includes a reading control unit 36. The reading control unit 36 controls the reading display unit 35. The reading control unit 36 controls the reading display unit 35 to display a screen. The reading control unit 36 executes instructions input through the screen displayed on the reading display unit 35. The reading control unit 36 may control the image reading device 13 based on instructions transmitted from the control device 12.

[0031] The reading control unit 36, like the terminal control unit 16, may be composed of one or more processors, one or more dedicated hardware circuits, or a circuit including a combination thereof.

[0032] A user typically sets a stack of documents MA, which contains documents M1 to be read, in the image reading device 13. However, documents M1 that are not to be read may be mixed in with the stack of documents MA. For example, a stack of A4-sized plain paper documents MA may contain A5-sized documents M1 or recycled paper documents M1. In this case, if the image reading device 13 reads the documents M1 as is, the user may not obtain the desired reading results. For this reason, the image reading device 13 is configured to be able to check whether documents M1 that the user did not intend to read have been mixed in with the stack of documents MA.

[0033] When the detection unit 27 detects a document M1 that is not to be read, the reading control unit 36 causes the display unit to display that the document M1 that is not to be read has been detected. The reading control unit 36 may cause the reading display unit 35 to display that the document M1 that is not to be read has been detected, or may cause the terminal display unit 15 via the terminal control unit 16 to display that. This allows the user to know that the document M1 that is not to be read has been mixed in with the document stack MA. By removing the document M1 that is not to be read from the document stack MA, the user can obtain a document stack MA that includes only the document M1 that is to be read. The user can obtain the desired reading result by setting the document stack MA in the image reading device 13.

[0034] The reading control unit 36 is configured to be able to set target conditions for the document M1 to be read. The target conditions include at least one of the size of the document M1 and the type of the document M1. The target conditions may include only the size of the document M1, only the type of the document M1, or both. The target conditions are set via a screen displayed on the display unit. That is, the user sets the target conditions via a screen displayed on the reading display unit 35 or the terminal display unit 15. The screen will be explained later. When the detection unit 27 detects a document M1 that does not match the target conditions set via the display unit, the reading control unit 36 causes the display unit to display that fact.

[0035] The reading control unit 36 is configured to be able to execute a count mode. The count mode is a mode in which the number of documents M1 that meet the target conditions is counted. In the count mode, the reading control unit 36 may count the number of documents M1 that do not meet the target conditions, in addition to counting the number of documents M1 that meet the target conditions.

[0036] The count mode is executed by the user operating the operation unit. The count mode may be executed by the user operating the reading operation unit 34, or may be executed by the user operating the terminal operation unit 14. In one example, the count mode is a mode that does not involve reading by the reading unit 26. The count mode may involve reading by the reading unit 26.

[0037] In the count mode, the reading control unit 36 notifies the user of the number of originals M1 that meet the target conditions. For example, the reading control unit 36 displays the number of originals M1 that meet the target conditions on the reading display unit 35 or the terminal display unit 15. The count mode allows the user to grasp the number of originals M1 that meet the target conditions. The user can grasp that originals M1 that do not meet the target conditions are included in the document stack MA from the difference between the number of originals M1 that meet the target conditions and the number of originals M1 set in the supply tray 22. In this respect, displaying the number of originals M1 that meet the target conditions on the display unit is synonymous with displaying on the display unit that originals M1 that do not meet the target conditions have been detected. In the count mode, the reading control unit 36 may also display on the display unit the number of originals M1 that do not meet the target conditions. In this case, the user can intuitively grasp that originals M1 that do not meet the target conditions have been detected.

[0038] The reading control unit 36 is configured to be able to execute a confirmation mode. The confirmation mode is a mode in which the presence or absence of a document M1 that does not meet the target conditions is confirmed. In other words, the confirmation mode is a mode in which the document stack MA set on the supply tray 22 is confirmed to include a document M1 that is not to be read.

[0039] The confirmation mode is executed by the user operating the operation unit. The confirmation mode may be executed by the user operating the reading operation unit 34, or may be executed by the user operating the terminal operation unit 14. In one example, the confirmation mode is a mode that does not involve reading by the reading unit 26. The confirmation mode may involve reading by the reading unit 26.

[0040] In the confirmation mode, when the reading control unit 36 detects a document M1 that does not meet the target conditions, it notifies the user of this. For example, the reading control unit 36 displays a message notifying that a document M1 that does not meet the target conditions has been detected on the reading display unit 35 or the terminal display unit 15. The confirmation mode allows the user to understand that the document stack MA includes a document M1 that does not meet the target conditions.

[0041] The reading control unit 36 may be configured to be able to execute a total count mode. The total count mode is a mode in which the originals M1 are counted without referring to the target conditions. In other words, the total count mode is a mode in which all of the originals M1 are counted.

[0042] The total count mode is executed by the user operating the operation unit. The total count mode may be executed by the user operating the reading operation unit 34, or may be executed by the user operating the terminal operation unit 14. In one example, the total count mode is a mode that does not involve reading by the reading unit 26. The total count mode may involve reading by the reading unit 26.

[0043] In the total count mode, the reading control unit 36 notifies the user of the number of counted originals M1. For example, the reading control unit 36 displays the counted number of originals M1 on the reading display unit 35 or the terminal display unit 15. The total count mode allows the user to know the number of originals M1 that make up the original stack MA.

[0044] The reading control unit 36 may be configured to be able to execute a verification mode. The verification mode is a mode in which the documents M1 are counted without referring to the target conditions, and then the total number of documents M1 counted this time is verified against the total number of documents M1 counted in the total count mode. The verification mode is a mode in which it is verified whether other documents M1 are mixed in or whether any documents M1 are missing from the document stack MA made up of the documents M1 counted in the total count mode.

[0045] The verification mode is executed by the user operating the operation unit. The verification mode may be executed by the user operating the reading operation unit 34, or may be executed by the user operating the terminal operation unit 14. In one example, the verification mode is a mode that does not involve reading by the reading unit 26. The verification mode may involve reading by the reading unit 26.

[0046] The verification mode can be executed after the total count mode is executed. In the verification mode, the reading control unit 36 counts the originals M1 without referring to the target conditions. In the verification mode, the reading control unit 36 checks whether the total number of the originals M1 counted this time matches the total number of the originals M1 counted in the total count mode. In the verification mode, the reading control unit 36 notifies the user whether the total number of the originals M1 counted this time matches the total number of the originals M1 counted in the total count mode. For example, if the total number of the originals M1 counted this time does not match the total number of the originals M1 counted in the total count mode, the reading control unit 36 displays this on the reading display unit 35 or the terminal display unit 15. That is, the reading control unit 36 displays on the reading display unit 35 or the terminal display unit 15 that the total number of the originals M1 counted this time does not match the total number of the originals M1 counted in the total count mode. The verification mode allows the user to know, for example, that an unintended original M1 has been mixed in the original stack MA or that an original M1 is missing from the original stack MA.

[0047] <Screen> Next, the screens displayed on the display unit will be described. The screens described below may be displayed on the terminal display unit 15 by the terminal control unit 16, or on the reading display unit 35 by the reading control unit 36.

[0048] As shown in FIG. 2, a plurality of buttons are displayed on the home screen 40. In one example, the home screen 40 displays a read button 41, a count button 42, a confirm button 43, a collation button 44, and the like. The read button 41 is a button for starting reading of the original M1. The count button 42 is a button for starting the count mode or the total count mode. The confirm button 43 is a button for starting the confirmation mode. The collation button 44 is a button for starting the collation mode. By operating the buttons, the user causes the image reading device 13 to read the original M1 or to execute the count mode.

[0049] 3, when the count button 42 is operated on the home screen 40, a selection screen 45 is displayed. The selection screen 45 is a screen for selecting the count mode or the total count mode.

[0050] The selection screen 45 displays a plurality of buttons. In one example, the selection screen 45 displays a designation button 46 and an undesignated button 47. The designation button 46 is a button for designating the document M1 to be counted. The designation button 46 is operated when the designated document M1 is to be counted. The designation button 46 is operated when target conditions are to be set. When the designation button 46 is operated, the count mode is started. The undesignated button 47 is a button for not designating the document M1 to be counted. The undesignated button 47 is operated when all documents M1 are to be counted. The undesignated button 47 is operated when target conditions are not to be set. When the undesignated button 47 is operated, the total count mode is started. The selection screen 45 may display a message prompting the user to operate either the designation button 46 or the undesignated button 47.

[0051] As shown in Fig. 4, when the designation button 46 is operated on the selection screen 45, a setting screen is displayed. More specifically, a count setting screen 48 is displayed. The setting screen is a screen for setting target conditions. The count setting screen 48 is a screen for setting conditions for the document M1 to be targeted in the count mode.

[0052] One or more buttons are displayed on the count setting screen 48. At least one of a size designation button 49 and a type designation button 50 is displayed on the count setting screen 48. The count setting screen 48 may display only the size designation button 49, only the type designation button 50, or both buttons. In one example, the count setting screen 48 displays both the size designation button 49 and the type designation button 50.

[0053] The size designation button 49 is a button for designating the size of the original M1. When the size designation button 49 is operated, A5, A4, A3, B5, B4, etc. are displayed in a pull-down menu. The type designation button 50 is a button for designating the type of the original M1. When the type designation button 50 is operated, plain paper, high-quality paper, recycled paper, thick paper, etc. are displayed in a pull-down menu.

[0054] A start button 51 is displayed on the count setting screen 48. When the start button 51 is operated, counting of the original M1 begins. When the start button 51 is operated, the original M1 is counted based on the target conditions set by the size designation button 49 and the type designation button 50.

[0055] An end button 52 is displayed on the count setting screen 48. When the end button 52 is operated, the count mode ends. When the end button 52 is operated, the home screen 40 is displayed.

[0056] It may be possible to set multiple target conditions on the count setting screen 48. For example, a target condition of A4 size and plain paper type and a target condition of A5 size and recycled paper type may be set. In this case, the reading control unit 36 counts the documents M1 that match each target condition separately.

[0057] As shown in FIG. 5, a current status screen 53 may be displayed during count mode. The current status screen 53 is a screen that displays the current number of counted original sheets. The current number of original sheets M1 that meet the target conditions is displayed on the current status screen 53. For example, the current number of original sheets M1 that are A4 size and plain paper type, and the current number of original sheets M1 that are A5 size and recycled paper type are displayed on the current status screen 53. In one example, the current status screen 53 also displays the current number of original sheets M1 that do not meet the target conditions.

[0058] An end button 52 may be displayed on the current status screen 53. When the end button 52 is operated, the count mode ends. This allows the user to immediately end the count mode. When the end button 52 is operated, the home screen 40 is displayed. When the end button 52 is operated, the count mode may be temporarily interrupted.

[0059] As shown in Fig. 6, when a multifeed is detected during count mode, a change screen is displayed. More specifically, when the multifeed detection unit 32 detects a multifeed during count mode, a count change screen 54 is displayed. The change screen is a screen for inquiring about changing the parameters of the conveying unit 23. The count change screen 54 is a screen for inquiring about changing the parameters of the conveying unit 23 during count mode.

[0060] The count change screen 54 displays a message inquiring the user about whether to change the parameters of the conveying unit 23 to reduce the occurrence of double feeding. The count change screen 54 may also display a message informing the user that changing the parameters of the conveying unit 23 will slow down the processing speed. The count change screen 54 displays a YES button 55 and a NO button 56. When the YES button 55 is operated, the parameters of the conveying unit 23 are changed. More specifically, the reading control unit 36 reduces the initial speed of the pick roller 24. For example, the reading control unit 36 reduces the rotation speed of the pick roller 24 immediately after it starts to rotate. When the NO button 56 is operated, the parameters of the conveying unit 23 are not changed.

[0061] As shown in FIG. 7, the initial speed of the pick roller 24 may be decreased. For example, when the YES button 55 is pressed on the count change screen 54, the relay speed of the pick roller 24 may be decreased. In this example, when the document M1 is fed, the rotational speed of the pick roller 24 changes so that it reaches the target speed via the relay speed. After rotating at the relay speed for a predetermined time, the pick roller 24 accelerates to reach the target speed.

[0062] 7, the solid line indicates the rotation speed of the pick roller 24 during count mode. The dashed line indicates the rotation speed of the pick roller 24 after the parameter is changed. When the YES button 55 is pressed on the count change screen 54, the relay speed decreases. For example, when the YES button 55 is pressed on the count change screen 54, the relay speed changes from the speed indicated by the solid line to the speed indicated by the dashed line.

[0063] 7, the two-dot chain line indicates the rotation speed of the pick roller 24 when reading the original M1. The rotation speed of the pick roller 24 in the count mode is slower than the rotation speed of the pick roller 24 when reading the original M1. This improves the counting accuracy.

[0064] 8, the initial speed of the pick roller 24 may be decreased. For example, when the YES button 55 is operated on the count change screen 54, the acceleration of the pick roller 24 may be decreased. In this example, the pick roller 24 accelerates at a predetermined acceleration toward the target speed.

[0065] In FIG. 8, the solid line indicates the rotation speed of the pick roller 24 during count mode. The dashed line indicates the rotation speed of the pick roller 24 after the parameter change. The two-dot chain line indicates the rotation speed of the pick roller 24 when reading the original M1. When the YES button 55 is operated on the count change screen 54, the acceleration decreases. For example, when the YES button 55 is operated on the count change screen 54, the acceleration is changed from the speed indicated by the solid line to the speed indicated by the dashed line.

[0066] 9, the initial speed of the pick roller 24 may be decreased. For example, when the YES button 55 is operated on the count change screen 54, the acceleration curve may be changed so as to decrease the initial speed of the pick roller 24. In this example, the pick roller 24 accelerates at a predetermined acceleration rate toward the target speed.

[0067] In FIG. 9, the solid line indicates the rotation speed of the pick roller 24 during count mode. The dashed line indicates the rotation speed of the pick roller 24 after the parameter change. When the YES button 55 is operated on the count change screen 54, the acceleration curve changes. For example, when the YES button 55 is operated on the count change screen 54, the acceleration curve changes from the solid line to the dashed line. In one example, the pick roller 24 accelerates so that the acceleration curve is downwardly convex in the first half of the acceleration section, and accelerates so that the acceleration curve is upwardly convex in the second half of the acceleration section.

[0068] As shown in FIG. 10, when the YES button 55 or NO button 56 is operated on the count change screen 54, a continuation screen is displayed. More specifically, the count continuation screen 57 is displayed. That is, when the multifeed detection unit 32 detects a multifeed in the count mode, the count continuation screen 57 is displayed. The continuation screen is a screen that asks the user whether to continue the mode. The count continuation screen 57 is a screen that asks the user whether to continue the count mode. If a multifeed is detected, there is a risk that the document M1 will not be counted correctly. For this reason, the continuation screen is displayed.

[0069] The count continuation screen 57 displays a message inquiring the user as to whether to continue counting. The count continuation screen 57 displays a YES button 55 and a NO button 56. When the YES button 55 is operated, the count mode continues. In one example, when the YES button 55 is operated, the current status screen 53 is displayed. When the NO button 56 is operated, the count mode ends. In one example, when the NO button 56 is operated, the home screen 40 is displayed.

[0070] As shown in Fig. 11, when all the originals M1 have been transported, an end screen is displayed. More specifically, after the last original M1 has been transported in count mode, a count end screen 58 is displayed. The end screen is a screen that is displayed when the mode ends. The count end screen 58 is a screen that ends the count mode.

[0071] The end screen displays the result of the mode execution. The count end screen 58 displays the number of counted originals M1. That is, the count end screen 58 displays the number of originals M1 that meet the target conditions. For example, the count end screen 58 displays the number of originals M1 that are A4 in size and plain paper, and the number of originals M1 that are A5 in size and recycled paper. In one example, the count end screen 58 also displays the number of originals M1 that do not meet the target conditions. By visually checking the count end screen 58, the user can understand that the stack of originals MA includes originals M1 that will not be read.

[0072] An end button 52 is displayed on the count end screen 58. When the end button 52 is operated, the count end screen 58 closes. The user operates the end button 52 after checking the count result.

[0073] As shown in FIG. 12 , when the end button 52 is operated on the count end screen 58, a maintenance screen may be displayed. More specifically, a count maintenance screen 59 may be displayed at the end of the count mode in which a change in the parameters of the transport unit 23 is permitted on the count change screen 54. In one example, when a change in the parameters of the transport unit 23 is permitted through the count change screen 54, the count maintenance screen 59 is displayed after the last document M1 is transported in the count mode. The maintenance screen is a screen that asks the user whether or not to maintain the parameter changes of the transport unit 23 in the next mode. The count maintenance screen 59 is a screen that asks the user whether or not to maintain the parameter changes of the transport unit 23 in the next count mode.

[0074] The count maintenance screen 59 displays a message inquiring the user whether to maintain the parameter changes for the conveying unit 23. The count maintenance screen 59 displays a YES button 55 and a NO button 56. When the YES button 55 is operated, the parameter changes for the conveying unit 23 are maintained. That is, in the next count mode, the pick roller 24 rotates at a slow initial speed. If a multifeed is detected in the next count mode, the parameters for the conveying unit 23 may be changed so that the initial speed of the pick roller 24 becomes even slower. When the NO button 56 is operated, the parameter changes for the conveying unit 23 are not maintained. In the next count mode, the pick roller 24 rotates at the normal initial speed.

[0075] 13, when the confirmation button 43 is operated on the home screen 40, a setting screen is displayed. More specifically, a confirmation setting screen 60 is displayed. The confirmation setting screen 60 is a screen for setting the conditions of the target document M1 in the confirmation mode.

[0076] The confirmation setting screen 60 is a screen similar to the count setting screen 48. One or more buttons are displayed on the confirmation setting screen 60. At least one of a size designation button 49 and a type designation button 50 is displayed on the confirmation setting screen 60. In one example, both the size designation button 49 and the type designation button 50 are displayed on the confirmation setting screen 60.

[0077] A start button 51 is displayed on the confirmation setting screen 60. When the start button 51 is operated, confirmation of the original M1 begins. When the start button 51 is operated, the original M1 is confirmed based on the target conditions set by the size specification button 49 and the type specification button 50.

[0078] An end button 52 is displayed on the confirmation setting screen 60. When the end button 52 is operated, the confirmation mode ends. When the end button 52 is operated, the home screen 40 is displayed.

[0079] A plurality of target conditions may be set on the confirmation setting screen 60. For example, a target condition in which the size is A4 and the type is plain paper, and a target condition in which the size is A5 and the type is recycled paper may be set.

[0080] 14, when a multifeed is detected during confirmation mode, a change screen is displayed. More specifically, when the multifeed detection unit 32 detects a multifeed during confirmation mode, a confirmation change screen 61 is displayed. The confirmation change screen 61 is a screen for inquiring about parameter changes for the conveying unit 23 during confirmation mode.

[0081] The confirmation change screen 61 is the same as the count change screen 54. The confirmation change screen 61 displays a message inquiring the user about whether to change the parameters of the conveying unit 23 to reduce the occurrence of double feeding. The confirmation change screen 61 may also display a message informing the user that changing the parameters of the conveying unit 23 will slow down the processing speed. The confirmation change screen 61 displays a YES button 55 and a NO button 56. When the YES button 55 is operated, the parameters of the conveying unit 23 are changed. More specifically, the reading control unit 36 reduces the initial speed of the pick roller 24. For example, the reading control unit 36 reduces the rotation speed of the pick roller 24 as shown in the graphs in Figures 7, 8, and 9. When the NO button 56 is operated, the parameters of the conveying unit 23 are not changed.

[0082] 15, when the YES button 55 or NO button 56 is operated on the confirmation change screen 61, a continuation screen is displayed. More specifically, the confirmation continuation screen 62 is displayed. That is, when the multifeed detection unit 32 detects a multifeed in the confirmation mode, the confirmation continuation screen 62 is displayed. The confirmation continuation screen 62 is a screen that asks the user whether to continue the confirmation mode.

[0083] The confirmation continuation screen 62 is a screen similar to the count continuation screen 57. The confirmation continuation screen 62 displays a message asking the user whether to continue counting. The confirmation continuation screen 62 displays a YES button 55 and a NO button 56. When the YES button 55 is operated, the confirmation mode continues. When the NO button 56 is operated, the confirmation mode ends. In one example, when the NO button 56 is operated, the home screen 40 is displayed.

[0084] 16, when a document M1 that does not meet the target conditions is detected during confirmation mode, a notification screen 63 is displayed. More specifically, when the detection unit 27 detects a document M1 that does not meet the target conditions during confirmation mode, the notification screen 63 is displayed. The notification screen 63 is a screen that notifies that a document M1 that does not meet the target conditions has been detected. The notification screen 63 displays a message that notifies that a document M1 that does not meet the target conditions has been detected.

[0085] When the detection unit 27 detects a document M1 that does not meet the target conditions, the notification screen 63 is displayed after stopping the transport unit 23. This reduces the risk of the document M1 being transported unnecessarily.

[0086] The notification screen 63 is also a screen that asks the user whether to continue the confirmation mode. The notification screen 63 displays a message asking the user whether to continue the confirmation mode. The notification screen 63 displays a YES button 55 and a NO button 56. When the YES button 55 is operated, the confirmation mode continues. When the NO button 56 is operated, the confirmation mode ends. In one example, when the NO button 56 is operated, the home screen 40 is displayed.

[0087] As shown in Fig. 17, when all the originals M1 have been transported, an end screen is displayed. More specifically, after the last original M1 has been transported in the confirmation mode, a confirmation end screen 64 is displayed. The confirmation end screen 64 is a screen for ending the confirmation mode. An end button 52 is displayed on the confirmation end screen 64. When the end button 52 is operated, the confirmation end screen 64 closes.

[0088] 18, a maintenance screen may be displayed when all documents M1 have been transported. Specifically, a confirmation maintenance screen 65 may be displayed at the end of the confirmation mode in which a change in the parameters of the transport unit 23 is permitted on the confirmation change screen 61. In one example, if a change in the parameters of the transport unit 23 is permitted through the confirmation change screen 61, the confirmation maintenance screen 65 is displayed after the last document M1 has been transported in the confirmation mode. The confirmation maintenance screen 65 may be displayed instead of the confirmation end screen 64, or may be displayed after the confirmation end screen 64.

[0089] The confirmation maintenance screen 65 is the same screen as the count maintenance screen 59. The confirmation maintenance screen 65 displays a message inquiring the user whether to maintain the parameter changes of the conveying unit 23. The confirmation maintenance screen 65 displays a YES button 55 and a NO button 56. When the YES button 55 is operated, the parameter changes of the conveying unit 23 are maintained. That is, in the next confirmation mode, the pick roller 24 rotates at a slow initial speed. If a multifeed is detected in the next confirmation mode, the parameters of the conveying unit 23 may be changed so that the initial speed of the pick roller 24 is even slower. When the NO button 56 is operated, the parameter changes of the conveying unit 23 are not maintained. In the next confirmation mode, the pick roller 24 rotates at the normal initial speed.

[0090] <Flowchart> Next, the operation of the image reading system 11 will be described. In particular, the operation in the count mode and the operation in the confirmation mode will be described. The count mode and the confirmation mode may be executed by the reading control unit 36 alone, or may be executed by the reading control unit 36 and the terminal control unit 16. Here, the reading control unit 36 and the terminal control unit 16 will not be distinguished from each other and will be referred to simply as the control unit.

[0091] First, the operation in the count mode will be described with reference to Fig. 19. The same operation may be performed in the total count mode. The flowchart shown in Fig. 19 starts when the count button 42 on the home screen 40 is operated.

[0092] 19, in step S11, the control unit displays a selection screen 45. On the selection screen 45, the user selects the count mode or the total count mode.

[0093] In step S12, the control unit displays the count setting screen 48. On the count setting screen 48, the user sets the target conditions. In step S13, the control unit feeds the document M1. More specifically, when the start button 51 is operated on the count setting screen 48, the control unit feeds the document M1. At this time, the control unit starts the pick roller 24. In the total count mode, step S12 is skipped. In the total count mode, the process may proceed to step S13 after the unspecified button 47 is operated on the selection screen 45.

[0094] In step S14, the control unit detects the document M1. Specifically, the control unit causes the detection unit 27 and the double feed detection unit 32 to detect the document M1. In step S15, the control unit determines whether a multi-feed has occurred. At this time, the control unit determines whether the multi-feed detection unit 32 has detected a multi-feed. If the multi-feed detection unit 32 has not detected a multi-feed, the control unit proceeds to step S20. If the multi-feed detection unit 32 has detected a multi-feed, the control unit proceeds to step S16.

[0095] In step S16, the control unit stops the transport of the document M1. At this time, the control unit stops the transport unit 23. In step S17, the control unit displays the count change screen 54. The user selects whether or not to allow the parameter change of the transport unit 23. If the user allows the parameter change, the control unit changes the parameters of the transport unit 23. If the user does not allow the parameter change, the control unit does not change the parameters of the transport unit 23.

[0096] In step S18, the control unit displays the count continuation screen 57. The user selects whether or not to continue the count mode. In step S19, the control unit determines whether to continue the count mode. Specifically, the control unit determines whether the YES button 55 or the NO button 56 has been operated on the count continuation screen 57. If the YES button 55 has been operated, the control unit returns the process to step S13. If the NO button 56 has been operated, the control unit proceeds to step S22.

[0097] In step S20, the control unit counts up the documents M1. Specifically, the control unit counts up the documents M1 after determining whether the detected documents M1 meet the target conditions. In the count mode, the control unit counts up based on the target conditions. In one example, the control unit separately counts up documents M1 that meet the target conditions and documents M1 that do not meet the target conditions. In the total count mode, the control unit counts up documents M1 without referring to the target conditions.

[0098] In step S21, the control unit determines whether the next document M1 is present. At this time, the control unit determines whether the document M1 is present or not based on whether the tray detection unit 33 detects the document M1. If the document M1 is present on the supply tray 22, the control unit returns the process to step S13. If the document M1 is not present on the supply tray 22, the control unit proceeds to step S22.

[0099] In step S22, the control unit displays the count end screen 58. In step S23, the control unit determines whether the parameters of the transport unit 23 have been changed. Specifically, the control unit determines whether changing the parameters of the transport unit 23 is permitted in step S17. If changing the parameters of the transport unit 23 is permitted, the control unit proceeds to step S24. If changing the parameters of the transport unit 23 is not permitted, the control unit ends the count mode.

[0100] In step S24, the control unit displays a count maintenance screen 59. When the YES button 55 or the NO button 56 is operated on the count maintenance screen 59, the control unit ends the count mode. When the YES button 55 is operated in the total count mode, the parameter change may be reflected the next time the total count mode is executed.

[0101] The control unit may display the current status screen 53 when the selection screen 45, count setting screen 48, count change screen 54, count continuation screen 57, count end screen 58, count maintenance screen 59, etc. are not displayed during the count mode.

[0102] Next, the operation in the confirmation mode will be described with reference to Fig. 20. The flowchart shown in Fig. 20 starts when the confirmation button 43 on the home screen 40 is operated.

[0103] 20, in step S31, the control unit displays a confirmation setting screen 60. On the confirmation setting screen 60, the user sets the target conditions. In step S32, the control unit feeds the document M1. Specifically, the control unit feeds the document M1 when the start button 51 is operated on the confirmation setting screen 60. At this time, the control unit starts the pick roller 24.

[0104] In step S33, the control unit detects the document M1. Specifically, the control unit causes the detection unit 27 and the double feed detection unit 32 to detect the document M1. In step S34, the control unit determines whether a multi-feed has occurred. At this time, the control unit determines whether the multi-feed detection unit 32 has detected a multi-feed. If the multi-feed detection unit 32 has not detected a multi-feed, the control unit proceeds to step S39. If the multi-feed detection unit 32 has detected a multi-feed, the control unit proceeds to step S35.

[0105] In step S35, the control section stops the transport of the document M1, and at this time, the control section stops the transport section 23. In step S36, the control unit displays a confirmation change screen 61. The user selects whether or not to allow the parameter change of the transport unit 23. If the user allows the parameter change, the control unit changes the parameters of the transport unit 23. If the user does not allow the parameter change, the control unit does not change the parameters of the transport unit 23.

[0106] In step S37, the control unit displays the confirmation continuation screen 62. The user selects whether or not to continue the confirmation mode. In step S38, the control unit determines whether to continue the confirmation mode. For example, the control unit determines whether the YES button 55 or the NO button 56 has been operated on the confirmation continuation screen 62. If the YES button 55 has been operated, the control unit returns the process to step S32. If the NO button 56 has been operated, the control unit proceeds to step S43.

[0107] In step S39, the control unit determines whether the detected document M1 meets the target condition. If the target condition is met, the control unit proceeds to step S42. If the target condition is not met, the control unit proceeds to step S40.

[0108] In step S40, the control unit causes the document M1 to be discharged. After the document M1 is discharged, the control unit causes the conveying unit 23 to stop. In step S41, the control unit displays the notification screen 63. After displaying the notification screen 63, the control unit proceeds to step S38. In step S38, the control unit determines whether the YES button 55 or the NO button 56 on the notification screen 63 has been operated.

[0109] In step S42, the control unit determines whether the next document M1 is present. At this time, the control unit determines whether the document M1 is present or not based on whether the tray detection unit 33 detects the document M1. If the document M1 is present on the supply tray 22, the control unit returns the process to step S32. If the document M1 is not present on the supply tray 22, the control unit proceeds to step S43.

[0110] In step S43, the control unit determines whether the parameters of the transport unit 23 have been changed. Specifically, the control unit determines whether changing the parameters of the transport unit 23 is permitted in step S36. If changing the parameters of the transport unit 23 is permitted, the control unit proceeds to step S45. If changing the parameters of the transport unit 23 is not permitted, the control unit proceeds to step S44.

[0111] In step S44, the control unit displays the confirmation end screen 64. When the end button 52 is operated on the confirmation end screen 64, the control unit ends the confirmation mode. In step S45, the control unit displays the confirmation maintenance screen 65. When the YES button 55 or the NO button 56 is operated on the confirmation maintenance screen 65, the control unit ends the confirmation mode.

[0112] As described above, the control method of the image reading system 11 includes the detection unit 27 detecting the document M1, and, when the document M1 that does not meet the target conditions is detected, the display unit displaying that the document M1 that does not meet the target conditions has been detected.

[0113] <Actions and Effects of the Example> Next, the operation and effects of the above embodiment will be described. (1) When the detection unit 27 detects a document M1 that does not meet the target conditions set through the setting screen, the control unit causes the display unit to display that a document M1 that does not meet the target conditions has been detected. According to the above configuration, the display unit displays that a document M1 that does not meet the target conditions has been detected, allowing the user to understand that an unintended document M1 has been mixed into the document stack MA. By removing the document M1, the user can obtain a document stack MA in which documents M1 that meet the target conditions are stacked. By scanning the document stack MA, the user can obtain the desired reading results.

[0114] (2) In the count mode, the control unit causes the display unit to display the number of sheets of the document M1 that meet the target condition. According to the above configuration, the user can know the number of sheets of the document M1 to be read.

[0115] (3) The count setting screen 48 displays at least one of a size designation button 49 and a type designation button 50, and a start button 51. With the above configuration, the user can set the target conditions and start the count mode on the count setting screen 48. This improves usability.

[0116] (4) In the count mode, when the multi-feed detection unit 32 detects a multi-feed, the control unit displays the count change screen 54. According to the above configuration, by changing the parameters of the conveying unit 23, multi-feeding becomes less likely to occur.

[0117] (5) In the count mode, when the multi-feed detection unit 32 detects a multi-feed, the control unit displays the count continuation screen 57. When a multi-feed occurs, the document M1 is not counted correctly. According to the above configuration, when a multi-feed occurs, the count mode can be immediately stopped.

[0118] (6) After the last document M1 is conveyed in the count mode, the control unit displays a count end screen 58 on the display unit. The count end screen 58 displays the number of documents M1 that meet the target conditions and the number of documents M1 that do not meet the target conditions. With the above configuration, the user can grasp the number of documents M1 that are to be read and the number of documents M1 that are not to be read.

[0119] (7) When a parameter change of the conveying unit 23 is permitted through the count change screen 54, the control unit displays the count maintenance screen 59 after the last document M1 is conveyed in the count mode. According to the above configuration, the risk of multiple feeding occurring in the next count mode can be reduced.

[0120] (8) In the count mode, the control unit displays the current status screen 53. According to the above configuration, the user can know the current number of document sheets to be read. (9) In the confirmation mode, when the detection unit 27 detects a document M1 that does not meet the target conditions, the control unit displays the notification screen 63. According to the above configuration, the user can know that the document stack MA includes a document M1 that is not to be read.

[0121] (10) In the confirmation mode, when the multifeed detection unit 32 detects a multifeed, the control unit displays the confirmation change screen 61. According to the above configuration, by changing the parameters of the conveying unit 23, multifeeds become less likely to occur.

[0122] (11) In the confirmation mode, when the multifeed detection unit 32 detects a multifeed, the control unit displays the confirmation continuation screen 62. When a multifeed occurs, the document M1 is not correctly confirmed. According to the above configuration, when a multifeed occurs, the confirmation mode can be immediately stopped.

[0123] (12) When the detection unit 27 detects a document M1 that does not meet the target conditions in the confirmation mode, the control unit stops the conveying unit 23 and then displays the notification screen 63. This configuration reduces the risk of document M1 being unnecessarily conveyed.

[0124] (13) When a change in the parameters of the conveying unit 23 is permitted through the confirmation change screen 61, the control unit displays the confirmation maintenance screen 65 after the last document M1 is conveyed in the confirmation mode. According to the above configuration, the risk of multiple feeding occurring in the next confirmation mode can be reduced.

[0125] (14) After the last document M1 has been conveyed in the confirmation mode, the control unit displays the confirmation end screen 64. According to the above configuration, the user can know that the confirmation mode has ended.

[0126] (15) In the total count mode, the control unit causes the display unit to display the number of counted originals M1. According to the above configuration, the user can grasp the total number of originals M1. (16) When the total number of counted documents M1 in the verification mode does not match the total number of documents M1 counted in the total count mode, the control unit causes the display unit to display that the total number of counted documents M1 does not match the total number of documents M1 counted in the total count mode. With the above configuration, the user can understand that the number of documents M1 does not match.

[0127] <Technical philosophy> The technical concepts and effects that can be understood from the above-described embodiment and modified examples will be described below.

[0128] (A) An image reading system includes a transport unit that transports documents one by one from a stack of documents, a reading unit that reads the documents, a detection unit that detects the documents, a display unit that displays a setting screen on which target conditions, which are conditions for the documents to be read, are set, and a control unit, and when the detection unit detects a document that does not meet the target conditions, the control unit causes the display unit to display that a document that does not meet the target conditions has been detected. According to the above configuration, the display unit displays that a document that does not meet the target conditions has been detected, allowing the user to know that an unintended document has been mixed in with the stack of documents. By removing the document, the user can obtain a stack of documents in which documents that meet the target conditions are stacked. The user can obtain the desired reading result by scanning the stack of documents.

[0129] (B) In the image reading system, the control unit may, in a count mode for counting the number of documents that meet the target conditions, cause the display unit to display the number of documents that meet the target conditions. With the above configuration, the user can grasp the number of documents to be read.

[0130] (C) In the image reading system, the detection unit may be configured to detect at least one of the document size and the document type, and the setting screen may display at least one of a size designation button for designating the document size and a type designation button for designating the document type, and a start button for starting the count mode. According to the above configuration, the user can set the target conditions and start the count mode on the setting screen, thereby improving usability.

[0131] (D) The image reading system may include a multi-feed detection unit that detects multi-feeding of documents, and the control unit may display a change screen inquiring about changing parameters of the transport unit when the multi-feed detection unit detects multi-feeding in the count mode. According to the above configuration, changing the parameters of the transport unit makes it less likely that multi-feeding will occur.

[0132] (E) In the image reading system, when the multifeed detection unit detects a multifeed in the count mode, the control unit may display a continuation screen inquiring about continuation of the count mode. If a multifeed occurs, documents will not be counted correctly. According to the above configuration, if a multifeed occurs, the count mode can be immediately stopped.

[0133] (F) In the image reading system, the control unit may display an end screen for ending the count mode after the last document is conveyed in the count mode, and the end screen may display the number of documents that meet the target conditions and the number of documents that do not meet the target conditions. With the above configuration, the user can grasp the number of documents to be read and the number of documents that are not to be read.

[0134] (G) In the image reading system, if a change to the parameters of the transport unit is permitted via the change screen, the control unit may display a maintenance screen after the last document is transported in the count mode, inquiring whether to maintain the parameters of the transport unit in the next count mode. This configuration reduces the risk of multiple feeds occurring in the next count mode.

[0135] (H) In the image reading system, the control unit may display a current status screen in the count mode that displays the current number of counted document sheets. With this configuration, the user can grasp the current number of document sheets to be read.

[0136] (I) In the image reading system, when the detection unit detects a document that does not meet the target conditions in a confirmation mode for checking whether or not a document does not meet the target conditions, the control unit may display a notification screen inquiring whether or not to end the confirmation mode. With the above configuration, the user can know that a document that is not a target for reading is included in the document stack.

[0137] (J) The image reading system may include a multi-feed detection unit that detects multi-feeding of documents, and the control unit may display a change screen inquiring about changing parameters of the transport unit when the multi-feed detection unit detects multi-feeding in the confirmation mode. According to the above configuration, changing the parameters of the transport unit makes it less likely that multi-feeding will occur.

[0138] (K) In the image reading system, when the multifeed detection unit detects a multifeed in the confirmation mode, the control unit may display a continuation screen inquiring whether to continue the confirmation mode. If a multifeed occurs, the document will not be correctly confirmed. According to the above configuration, if a multifeed occurs, the confirmation mode can be immediately stopped.

[0139] (L) In the image reading system, when the detection unit detects a document that does not meet the target conditions in the confirmation mode, the control unit may stop the transport unit and then display the notification screen. With the above configuration, the risk of the document being unnecessarily transported is reduced.

[0140] (M) In the image reading system, if a change to the parameters of the transport unit is permitted via the change screen, the control unit may display a maintenance screen after the last document has been transported in the confirmation mode, inquiring whether to maintain the parameters of the transport unit in the next confirmation mode. This configuration reduces the risk of multiple feeds occurring in the next confirmation mode.

[0141] (N) In the image reading system, the control unit may display an end screen for ending the confirmation mode after the last document has been conveyed in the confirmation mode. With this configuration, the user can know that the confirmation mode has ended.

[0142] (O) In the image reading system, the control unit may cause the display unit to display the number of counted documents in a total count mode in which documents are counted without reference to the target conditions. With this configuration, the user can grasp the total number of documents.

[0143] (P) In the image reading system, the control unit may count the documents without referring to the target conditions, and then in a comparison mode in which the total number of documents counted this time is compared with the total number of documents counted in the total count mode, if the total number of documents counted this time does not match the total number of documents counted in the total count mode, cause the display unit to display that the total number of documents counted this time does not match the total number of documents counted in the total count mode. With the above configuration, the user can know that the numbers of documents do not match.

[0144] (Q) An image reading device includes a transport unit that transports documents one by one from a stack of documents, a reading unit that reads the documents, a detection unit that detects the documents, a display unit that displays a setting screen on which target conditions that are conditions for the documents to be read are set, and a control unit, and when the detection unit detects a document that does not meet the target conditions, the control unit causes the display unit to display that a document that does not meet the target conditions has been detected. With the above configuration, the same effects as the image reading system described above can be obtained.

[0145] (R) The control device is a control device connected to an image reading device having a transport unit that transports documents one by one from a stack of documents, a reading unit that reads the documents, and a detection unit that detects the documents, and is equipped with a display unit that displays a setting screen on which target conditions that are conditions for documents to be read by the image reading device are set, and a control unit that communicates with the image reading device, and when the detection unit detects a document that does not meet the target conditions, the control unit causes the display unit to display that a document that does not meet the target conditions has been detected. With the above configuration, the same effects as those of the above-mentioned image reading system can be obtained.

[0146] (S) A control method for an image reading system includes a transport unit that transports documents one by one from a stack of documents, a reading unit that reads the documents, a detection unit that detects the documents, and a display unit that displays a setting screen on which target conditions, which are conditions for the documents to be read, are set, the control method including the detection unit detecting the documents, and when a document that does not meet the target conditions is detected, the display unit displaying that a document that does not meet the target conditions has been detected. The above method can achieve the same effects as the image reading system described above. [Explanation of symbols]

[0147] 11...image reading system, 12...control device, 13...image reading device, 14...terminal operation unit, 15...terminal display unit, 16...terminal control unit, 21...casing, 22...supply tray, 23...conveyance unit, 24...pick roller, 25...pair of conveyance rollers, 26...reading unit, 27...detection unit, 28...size detection unit, 29...main scanning detection unit, 30...sub-scanning detection unit, 31...separate detection unit, 32...multiple feed detection unit, 33...tray detection unit, 34...reading operation unit, 35...reading display unit, 36...reading control unit, 40...home screen, 41...read button, 42...count button, 43...confirmation button , 44...Match button, 45...Selection screen, 46...Specify button, 47...Unspecify button, 48...Count setting screen, 49...Size specification button, 50...Type specification button, 51...Start button, 52...End button, 53...Current status screen, 54...Count change screen, 55...YES button, 56...NO button, 57...Count continuation screen, 58...Count end screen, 59...Count maintenance screen, 60...Confirmation setting screen, 61...Confirmation change screen, 62...Confirmation continuation screen, 63...Notification screen, 64...Confirmation end screen, 65...Confirmation maintenance screen, M1...Manuscript, MA...Stack of manuscripts.

Claims

1. a conveying unit that conveys documents one by one from a document stack; a reading unit that reads a document; a detection unit for detecting a document; a display unit that displays a setting screen on which target conditions, which are conditions for a document to be read, are set; a control unit, An image reading system characterized in that, when the detection unit detects a document that does not meet the target conditions, the control unit displays on the display unit that a document that does not meet the target conditions has been detected.

2. 2. The image reading system according to claim 1, wherein the control unit, in a count mode for counting the number of documents that meet the target condition, causes the display unit to display the number of documents that meet the target condition.

3. the detection unit is configured to detect at least one of a size of a document and a type of a document; The setting screen includes: At least one of a size designation button for designating the size of the document and a type designation button for designating the type of the document; 3. The image reading system according to claim 2, wherein a start button for starting the count mode is displayed.

4. A multi-feed detection unit is provided to detect multi-feeding of documents, The image reading system according to claim 2, wherein the control unit, when the multifeed detection unit detects a multifeed in the count mode, displays a change screen inquiring about changing parameters of the transport unit.

5. 5. The image reading system according to claim 4, wherein the control unit, when the multifeed detection unit detects a multifeed in the count mode, displays a continuation screen inquiring about continuation of the count mode.

6. the control unit displays an end screen for ending the count mode after the last document is conveyed in the count mode, 3. The image reading system according to claim 2, wherein the end screen displays the number of documents that meet the target condition and the number of documents that do not meet the target condition.

7. The image reading system of claim 4 or claim 5, characterized in that when a change to the parameters of the transport unit is permitted through the change screen, the control unit displays a maintenance screen after the last document is transported in the count mode, inquiring whether the parameters of the transport unit should be maintained in the next count mode.

8. 3. The image reading system according to claim 2, wherein the control unit displays a current status screen in the count mode, which displays the current number of counted originals.

9. The image reading system of claim 1, characterized in that, in a confirmation mode in which the presence or absence of a document that does not meet the target conditions is confirmed, if the detection unit detects a document that does not meet the target conditions, the control unit displays a notification screen inquiring whether the confirmation mode should be terminated.

10. A multi-feed detection unit is provided to detect multi-feeding of documents, The image reading system according to claim 9, wherein the control unit, in the confirmation mode, when the double feed detection unit detects a double feed, displays a change screen inquiring about changing parameters of the transport unit.

11. 11. The image reading system according to claim 10, wherein the control unit, when the double feed detection unit detects a double feed in the confirmation mode, displays a continuation screen inquiring whether to continue the confirmation mode.

12. The image reading system according to claim 9, characterized in that, when the detection unit detects a document that does not meet the target conditions in the confirmation mode, the control unit stops the transport unit and then displays the notification screen.

13. The image reading system of claim 10 or claim 11, characterized in that when a change to the parameters of the transport unit is permitted through the change screen, the control unit displays a maintenance screen after the last document is transported in the confirmation mode, inquiring whether the parameters of the transport unit should be maintained in the next confirmation mode.

14. 10. The image reading system according to claim 9, wherein the control unit displays an end screen for ending the confirmation mode after the last document has been transported in the confirmation mode.

15. 2. The image reading system according to claim 1, wherein the control unit, in a total count mode in which the documents are counted without referring to the target conditions, causes the display unit to display the number of counted documents.

16. The image reading system of claim 15, wherein the control unit counts documents without referring to the target conditions, and then in a comparison mode in which the total number of documents counted this time is compared with the total number of documents counted in the total count mode, if the total number of documents counted this time does not match the total number of documents counted in the total count mode, the control unit displays on the display unit that the total number of documents counted this time does not match the total number of documents counted in the total count mode.

17. a conveying unit that conveys documents one by one from a document stack; a reading unit that reads a document; a detection unit for detecting a document; a display unit that displays a setting screen on which target conditions, which are conditions for a document to be read, are set; a control unit, An image reading device characterized in that, when the detection unit detects a document that does not meet the target conditions, the control unit displays on the display unit that a document that does not meet the target conditions has been detected.

18. A control device connected to an image reading device including a conveying unit that conveys documents one by one from a document stack, a reading unit that reads the documents, and a detection unit that detects the documents, a display unit that displays a setting screen on which target conditions, which are conditions for a document to be read by the image reading device, are set; a control unit that communicates with the image reading device, A control device characterized in that, when the detection unit detects a document that does not meet the target conditions, the control unit causes the display unit to display that a document that does not meet the target conditions has been detected.

19. A control method for an image reading system including a conveying unit that conveys documents one by one from a document stack, a reading unit that reads the documents, a detecting unit that detects the documents, and a display unit that displays a setting screen on which target conditions that are conditions for the documents to be read are set, comprising: the detection unit detects an original; When a document that does not meet the target conditions is detected, the display unit displays a message that a document that does not meet the target conditions has been detected.

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